GMax FF88 Derk Helmet Flat Black/Silver

  • Sale
  • $130.46
  • Regular price $144.95

From the outset, the FF88 was designed for the performance enthusiast. With its aerodynamic shape, SpaSoft Coolmax interior, and lightweight shell, GMAX gives you the perfect helmet to take on your favorite back road. The ECE rating gives you the assurance that this helmet has been certified by the leader in world standard safety equipment testing.



  • New SpaSoft DuPont Coolmax® interior keeps you dry and comfortable. Coolmax® wicks moisture away from your body and dries quickly. Charcoal bamboo fiber keeps odors away by eliminating bacterial growth.
  • Removable, adjustable, washable Spa Soft Coolmax® interior allows for easy cleaning and custom fitting.
  • GMAX D.E.V.S (dual exhaust venting system) top and rear vents reduce temperature by allowing hot air to escape from the top of the helmet.
  • Low profile intake and exhaust vents.
  • Vents close to completely seal out the cold.
  • Lightweight ABS shell. Large size only 3.3lbs.
  • 100% UV400 protection from the anti-scratch hard coated face shield for a longer lasting clear view.
  • Breath deflector and chin curtain included.
  • DOT and ECE approved


Using a soft measuring tape, measure around the crown- The largest diameter around your head.
Start approx 2cm above your eyebrows, keeping the tape above your ears, and around the back of your head at the largest point.
Compare the measurements with the head circumference details (inches) at the bottom of the helmet product description to determine which helmet will fit you best.
20 7/8" - 21 1/4" ......... X-Small
21 5/8" - 22" ............. Small
22 7/16" - 22 3/16" ....... Medium
23 1/4" - 23 5/8" ......... Large
24" - 24 3/8" ............. X-Large
24 13/16" - 25 3/16" ...... XX-Large
25 5/8" - 26" ............. XXX-Large